1 files changed, 74 insertions, 0 deletions
diff --git a/libgfortran/runtime/convert_char.c b/libgfortran/runtime/convert_char.c
new file mode 100644
index 00000000000..aa500bb6c8b
--- /dev/null
+++ b/libgfortran/runtime/convert_char.c
@@ -0,0 +1,74 @@
+/* Runtime conversion of strings from one character kind to another.
+   Copyright 2008 Free Software Foundation, Inc.
+
+This file is part of the GNU Fortran runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING.  If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#include "libgfortran.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+
+extern void convert_char1_to_char4 (gfc_char4_t **, gfc_charlen_type,
+				    const unsigned char *);
+export_proto(convert_char1_to_char4);
+
+extern void convert_char4_to_char1 (unsigned char **, gfc_charlen_type,
+				    const gfc_char4_t *);
+export_proto(convert_char4_to_char1);
+
+
+void
+convert_char1_to_char4 (gfc_char4_t **dst, gfc_charlen_type len,
+			const unsigned char *src)
+{
+  gfc_charlen_type i, l;
+
+  l = len > 0 ? len : 0;
+  *dst = get_mem ((l + 1) * sizeof (gfc_char4_t));
+
+  for (i = 0; i < l; i++)
+    (*dst)[i] = src[i];
+
+  (*dst)[l] = '\0';
+}
+
+
+void
+convert_char4_to_char1 (unsigned char **dst, gfc_charlen_type len,
+			const gfc_char4_t *src)
+{
+  gfc_charlen_type i, l;
+
+  l = len > 0 ? len : 0;
+  *dst = get_mem ((l + 1) * sizeof (unsigned char));
+
+  for (i = 0; i < l; i++)
+    (*dst)[i] = src[i];
+
+  (*dst)[l] = '\0';
+}